1Released as a result of injury in the body.2May be found due to its role in foetal development. 3Found in higher concentrations.4Higher concentrations inhibit cell proliferation.
*The components of the serum have been identified but have not been characterized. Protein precursors required for maintaining foetal conditions are found only in umbilical cord blood serum [47]. The top 5 abundant proteins present in UCBS and their molecular functions are listed in Table 3.